From e318a5b4aab5a741f6932021707e8c704f8886f0 Mon Sep 17 00:00:00 2001
From: kearwood <kearwood@kearwood.com>
Date: Thu, 25 Aug 2022 00:00:55 -0700
Subject: [PATCH] Added KRSamplerManager::DEFAULT_CLAMPED_SAMPLER and
 DEFAULT_WRAPPING_SAMPLER Added KRSamplerManager::init

---
 kraken/KRContext.cpp        |  1 +
 kraken/KRSampler.cpp        |  1 +
 kraken/KRSamplerManager.cpp | 33 ++++++++++++++++++++++++++++++++-
 kraken/KRSamplerManager.h   |  4 ++++
 4 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/kraken/KRContext.cpp b/kraken/KRContext.cpp
index d50f684..4d05d00 100755
--- a/kraken/KRContext.cpp
+++ b/kraken/KRContext.cpp
@@ -102,6 +102,7 @@ KRContext::KRContext(const KrInitializeInfo* initializeInfo)
   m_pBundleManager = std::make_unique<KRBundleManager>(*this);
   m_pPipelineManager = std::make_unique<KRPipelineManager>(*this);
   m_pSamplerManager = std::make_unique<KRSamplerManager>(*this);
+  m_pSamplerManager->init();
   m_pTextureManager = std::make_unique<KRTextureManager>(*this);
   m_pMaterialManager = std::make_unique<KRMaterialManager>(*this, m_pTextureManager.get(), m_pPipelineManager.get());
   m_pMeshManager = std::make_unique<KRMeshManager>(*this);
diff --git a/kraken/KRSampler.cpp b/kraken/KRSampler.cpp
index 3bd69a9..ae1fa57 100644
--- a/kraken/KRSampler.cpp
+++ b/kraken/KRSampler.cpp
@@ -34,6 +34,7 @@
 
 KRSampler::KRSampler(KRContext& context, const SamplerInfo& info)
   : KRContextObject(context)
+  , m_sampler(VK_NULL_HANDLE)
 {
   // TODO - Implement stub function
 }
diff --git a/kraken/KRSamplerManager.cpp b/kraken/KRSamplerManager.cpp
index 793b7a6..d285929 100644
--- a/kraken/KRSamplerManager.cpp
+++ b/kraken/KRSamplerManager.cpp
@@ -45,6 +45,8 @@ bool SamplerInfo::operator==(const SamplerInfo& rhs) const
 
 KRSamplerManager::KRSamplerManager(KRContext& context)
   : KRContextObject(context)
+  , DEFAULT_CLAMPED_SAMPLER(nullptr)
+  , DEFAULT_WRAPPING_SAMPLER(nullptr)
 {
 }
 
@@ -61,6 +63,35 @@ void KRSamplerManager::destroy()
   m_samplers.clear();
 }
 
+void KRSamplerManager::init()
+{
+  SamplerInfo info{};
+  info.createInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
+  info.createInfo.magFilter = VK_FILTER_LINEAR;
+  info.createInfo.minFilter = VK_FILTER_LINEAR;
+  info.createInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
+  info.createInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
+  info.createInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
+  info.createInfo.anisotropyEnable = VK_TRUE;
+  info.createInfo.maxAnisotropy = 16; // TODO - This should be dynamic
+  info.createInfo.borderColor = VK_BORDER_COLOR_INT_OPAQUE_BLACK;
+  info.createInfo.unnormalizedCoordinates = VK_FALSE;
+  info.createInfo.compareEnable = VK_FALSE;
+  info.createInfo.compareOp = VK_COMPARE_OP_ALWAYS;
+  info.createInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
+  info.createInfo.mipLodBias = 0.0f;
+  info.createInfo.minLod = 0.0f;
+  info.createInfo.maxLod = 0.0f;
+
+  DEFAULT_CLAMPED_SAMPLER = getSampler(info);
+
+  info.createInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+  info.createInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+  info.createInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
+
+  DEFAULT_WRAPPING_SAMPLER = getSampler(info);
+}
+
 KRSampler* KRSamplerManager::getSampler(const SamplerInfo& info)
 {
   SamplerMap::iterator itr = m_samplers.find(info);
@@ -68,6 +99,6 @@ KRSampler* KRSamplerManager::getSampler(const SamplerInfo& info)
     return itr->second;
   }
   KRSampler* sampler = new KRSampler(getContext(), info);
-  m_samplers.emplace(info, sampler);
+  m_samplers[info] = sampler;
   return sampler;
 }
diff --git a/kraken/KRSamplerManager.h b/kraken/KRSamplerManager.h
index 862b9fb..7ba2eb9 100644
--- a/kraken/KRSamplerManager.h
+++ b/kraken/KRSamplerManager.h
@@ -63,9 +63,13 @@ class KRSamplerManager : public KRContextObject
 public:
   KRSamplerManager(KRContext& context);
   virtual ~KRSamplerManager();
+  void init();
 
   KRSampler* getSampler(const SamplerInfo& info);
   void destroy();
+
+  KRSampler* DEFAULT_CLAMPED_SAMPLER;
+  KRSampler* DEFAULT_WRAPPING_SAMPLER;
 private:
   typedef std::unordered_map<SamplerInfo, KRSampler*, SamplerInfoHasher> SamplerMap;
   SamplerMap m_samplers;